Tf100 test kit says 60-80 for swg??? Readings this morning are FC-5ppm, cl-br- 5 10, Cc-0.5, tc- 5.5, Ch-25, TA-30, cya-0, salt is 2900. So what do I focus on first? I know FC is too high, ch is low, TA is low, Cya is low, salt is almost there.... So where do I go from here?